Calculation of Fixed TEM Response and Apparent Resistivity Based on Equivalent Magnetic Dipole
详细信息
- 责任者：Wu Junjie (Institute of Geophysical and Geochemical Exploration ; Chinese Academy of Geological Sciences ; Langfang 065000 ; China) ; Zhang Jie
- 刊名：Coal Geology & Exploration
- 出版年：2013
- 卷期：41(3)
- 关键词：瞬变电磁法 ; transient electromagnetic methods ; 视电阻率 ; apparent resistivity
- 页码：p.68-71
- 图表：illus., 16 refs.
- 分类号：1600
- issnNo：ISSN1001-1986
- isbnNo：CN61-1155/P
摘要
In order to solve the problem of expression of TEM response and definition of apparent resistivity at different station in the fixed-loop,the TEM response expression is given in this paper.The transmitting loop can be equivalent as some vertical magnetic dipoles,and the TEM response of fixed-loop is calculated as the sum of response of each vertical magnetic dipole.The response value of any point in the loop was calculated and the apparent resistivity expression was obtained.It was proved in calculation with half-space and 1D layered models.This research has theoretic and application significance.
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